BOC Edwards ESDP12 - 4 OPERATION; 4.1 Start-up; 4.2 Shut-down

4OPERATION
Note: The following procedures assume that your system has an inlet isolation-valve which you can
use to isolate the pump from your vacuum system.
4.1 Start-up
Use the procedure below to start up the pump.
1. Ensure that the vacuum system isolation-valve is closed.
2. Switch on the electrical supply to the pump.
3. Open the vacuum system isolation-valve.
4.2 Shut-down
Note: When you switch off the pump, the cooling-fan may stop and then rotate in the reverse direction
for a few revolutions.
Use the procedure below to shut down the pump.
1. Close the vacuum system isolation-valve (to prevent suck-back into the vacuum system).
2. Switch off the electrical supply to the pump.
22 ESDP12 and ESDP30 Scroll Pumps